Dataset referencing 2014KR09
S.Kreim, D.Beck, K.Blaum, Ch.Borgmann, M.Breitenfeldt, T.E.Cocolios, A.Gottberg, F.Herfurth, M.Kowalska, Yu.A.Litvinov, D.Lunney, V.Manea, T.M.Mendonca, S.Naimi, D.Neidherr, M.Rosenbusch, L.Schweikhard, Th.Stora, F.Wienholtz, R.N.Wolf, K.Zuber
Competition between pairing correlations and deformation from the odd-even mass staggering of francium and radium isotopes
ATOMIC MASSES 222,224,226,227,228,229,230,231,232,233Fr, 233,234Ra[isotopes from U(p, F), E=1.4 GeV]; measured TOF-ICR resonances, frequency ratios, mass excesses using ISOLTRAP Penning-trap at ISOLDE-CERN facility; deduced odd-even staggering in binding energies, S(2n), three-point pairing-gap estimator Δ3(N); calculated Nilsson single-particle level schemes for N=128-148 nuclei using HF and HFB approaches, and connections to the single-particle level density and nuclear quadrupole and octupole deformations. Comparison with mass measurements using ESR at GSI and AME-2003 evaluation.
RADIOACTIVITY 233Fr(β-)[from U(p, F), E=1.4 GeV]; measured (ion)β correlations, ground-state half-life.
doi: 10.1103/PhysRevC.90.024301